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stm32h7-eth: Properly maintain Tx tail pointer #1495

Merged
merged 1 commit into from
Aug 17, 2023
Merged

stm32h7-eth: Properly maintain Tx tail pointer #1495

merged 1 commit into from
Aug 17, 2023

Commits on Aug 17, 2023

  1. stm32h7-eth: Properly maintain Tx tail pointer 

    Analagous to #1493, we should maintain the Tx tail pointer
properly, as well.  Note that since the device won't examine a
Tx descriptor until the tail pointer is set appropriately, we
can relax stores and rely on the barrier in `tx_notify` to flush
everything to RAM properly before writing the tail pointer and
kicking off a DMA.
    @dancrossnyc
    dancrossnyc authored and Dan Cross committed Aug 17, 2023
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